<!DOCTYPE html>
<html lang="zh-CN" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8"/>
    <title>登录</title>
</head>
<body>
    <form action="/loginup" method="post">
        用户名：<input type="text" name="username"/><br />
        密码：<input type="password" name="password" /><br />
        <input type="submit" value="提交" />
    </form>
</body>
</html>